[pianotech] back rail cloth, (was of replacing keytops)

[Ron Nossaman]

Marcel Carey wrote:
> Could someone explain where does this name "oil board" comes from. I've 
> been in the business for many years and this was the first time I heard 
> of it. I've seen backrail cloth glued on both sides with the lump in the 
> middle, but How do we change the oil? :-)
>  
> Just wondering.

Me too. It's always been fiber board.
Ron N